Biography (Colorado Encyclopedia)
Biography (Handbook of Texas Online)
Historical marker located at the Austin Presbyterian Theological Seminary in Austin, Texas.
George Muller in Athens: Letter From the Rev. T.R. Sampson, Missionary of the Southern Presbyterian Church in Athens (1882)
Work Among the Greeks (1890)
The Political Situation in the Levant as Related to Mission Work (1894)
The Teacher and Friend (1899)
The Austin Presbyterian Theological Seminary (1901)
Thornton Rogers Sampson, 1852-1915: A Biographical Sketch (1917)